15:04

Loop Impedance Testing

30:36

Installing an earth Rod - New TT Supply

22:35

Impedance Explained.

23:49

Using a TT earth where a TN earth already exists

23:40

Earth electrode testing the proper way

18:10

AEMC® - Understanding Ground Resistance Testing (3640 Discontinued Replaced by 6424)

14:49

Stacking 5 Peltier Modules, and Reached -90℃

11:48

'My jaw is dropped': Canadian official's interview stuns Amanpour